Made in Illinois — O

11 of the 396 companies manufacturing in Illinois start with O.

Companies manufacturing in Illinois — O

• 0–9 6
• A 30
• B 24
• C 26
• D 11
• E 13
• F 16
• G 21
• H 19
• I 4
• J 12
• K 11
• L 15
• M 28
• N 9
• O 11
• P 20
• Q 3
• R 14
• S 48
• T 25
• U 6
• V 7
• W 12
• X 1
• Y 1
• Z 3

• O-Cedar Aurora
• Oak & Oscar Chicago
• Oberweis Dairy North Aurora
• Olay (P&G) North Chicago
• Old Wisconsin Montgomery
• Optimo Hats Chicago
• Optimum Nutrition Aurora
• Oregon Oregon
• Orglamix Chicago
• Outbound Lighting Skokie
• Oxxford Clothes Chicago

Other states

• California (1,871)
• New York (746)
• Texas (727)
• North Carolina (533)
• Pennsylvania (529)
• Ohio (429)
• Florida (421)
• Georgia (389)
• Oregon (388)
• Wisconsin (383)
• Michigan (327)
• Colorado (304)

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